Cremona's table of elliptic curves

23920 = 2⁴ · 5 · 13 · 23

Class	r	Atkin-Lehner	Eigenvalues
23920a (1 curve)	1	2+ 5+ 13+ 23+	2+ -3 5+  5  0 13+ -3 -6
Curve Equation t Generators 23920a1 [0,0,0,-1603,-24398] 1 [-21:2:1]
23920b (1 curve)	0	2+ 5+ 13+ 23-	2+  0 5+ -3 -2 13+  3  2
Curve Equation t 23920b1 [0,0,0,-794468,-272589892] 1
23920c (1 curve)	1	2+ 5+ 13- 23-	2+ -2 5+ -3  0 13- -3  2
Curve Equation t Generators 23920c1 [0,1,0,-161,-2645] 1 [46:299:1]
23920d (1 curve)	0	2+ 5- 13+ 23+	2+  1 5-  3  0 13+  3  6
Curve Equation t 23920d1 [0,1,0,-40,-92] 1
23920e (1 curve)	0	2+ 5- 13+ 23+	2+  2 5- -1  0 13+  3  6
Curve Equation t 23920e1 [0,-1,0,-5905,176637] 1
23920f (1 curve)	0	2- 5+ 13+ 23+	2-  1 5+  1 -4 13+ -7 -6
Curve Equation t 23920f1 [0,1,0,-62096,-5975020] 1
23920g (1 curve)	0	2- 5+ 13+ 23+	2- -3 5+ -1 -2 13+ -3 -4
Curve Equation t 23920g1 [0,0,0,-439243,45610042] 1
23920h (4 curves)	1	2- 5+ 13+ 23-	2-  0 5+  4 -4 13+  2 -4
Curve Equation t Generators 23920h1 [0,0,0,157,-7582] 2 [44076:197155:1728] 23920h2 [0,0,0,-4963,-129438] 4 [898:6825:8] 23920h3 [0,0,0,-13283,418018] 2 [-113:690:1] 23920h4 [0,0,0,-78563,-8475678] 2 [583290:12006267:1000]
23920i (1 curve)	1	2- 5+ 13+ 23-	2- -1 5+  1 -2 13+  5  0
Curve Equation t Generators 23920i1 [0,-1,0,-17616,-894080] 1 [-2058:46:27]
23920j (1 curve)	1	2- 5+ 13+ 23-	2- -2 5+ -3  4 13+  5 -2
Curve Equation t Generators 23920j1 [0,1,0,-21,-545] 1 [11:26:1]
23920k (2 curves)	1	2- 5+ 13- 23+	2- -1 5+  1  0 13- -3  4
Curve Equation t Generators 23920k1 [0,-1,0,-156,-260] 1 [-11:2:1] 23920k2 [0,-1,0,-6596,208396] 1 [45:26:1]
23920l (1 curve)	1	2- 5+ 13- 23+	2- -3 5+  3  2 13- -5  0
Curve Equation t Generators 23920l1 [0,0,0,-57606883,17240346082] 1 [-321:188942:1]
23920m (2 curves)	0	2- 5+ 13- 23-	2- -1 5+  1  6 13-  3 -8
Curve Equation t 23920m1 [0,-1,0,-304616,-64609424] 1 23920m2 [0,-1,0,-336856,-50064400] 1
23920n (2 curves)	1	2- 5- 13+ 23+	2-  0 5-  2  0 13+  6 -4
Curve Equation t Generators 23920n1 [0,0,0,53,1914] 2 [5:48:1] 23920n2 [0,0,0,-2027,33946] 2 [-3:200:1]
23920o (1 curve)	1	2- 5- 13+ 23+	2- -3 5- -3  2 13+  3  4
Curve Equation t Generators 23920o1 [0,0,0,-10267,-392246] 1 [-65:22:1]
23920p (2 curves)	0	2- 5- 13+ 23-	2-  0 5- -2 -2 13+ -2  2
Curve Equation t 23920p1 [0,0,0,-1692532,-847526781] 2 23920p2 [0,0,0,-1689887,-850307734] 2
23920q (1 curve)	0	2- 5- 13+ 23-	2-  1 5- -3  4 13+  5  4
Curve Equation t 23920q1 [0,1,0,-7140,228488] 1
23920r (1 curve)	0	2- 5- 13+ 23-	2- -1 5-  3  2 13+ -5  0
Curve Equation t 23920r1 [0,-1,0,-320,-2048] 1
23920s (1 curve)	0	2- 5- 13+ 23-	2-  3 5-  1  4 13+  7  2
Curve Equation t 23920s1 [0,0,0,-4027,24554] 1
23920t (1 curve)	0	2- 5- 13- 23+	2-  3 5-  3 -4 13- -5  0
Curve Equation t 23920t1 [0,0,0,-2887,-56734] 1
23920u (2 curves)	1	2- 5- 13- 23-	2- -1 5-  1  0 13- -3 -2
Curve Equation t Generators 23920u1 [0,-1,0,-4440,-112400] 1 [-38:2:1] 23920u2 [0,-1,0,-8840,148720] 1 [-78:598:1]
23920v (1 curve)	1	2- 5- 13- 23-	2- -1 5- -1  6 13- -3  4
Curve Equation t Generators 23920v1 [0,-1,0,-200,-848] 1 [-6:10:1]
23920w (3 curves)	1	2- 5- 13- 23-	2-  2 5-  1  0 13-  3 -2
Curve Equation t Generators 23920w1 [0,-1,0,-9365,-436963] 1 [604:14625:1] 23920w2 [0,-1,0,70635,4147037] 1 [164:4485:1] 23920w3 [0,-1,0,-1416565,660434877] 1 [80820:474513:125]

Data from Elliptic Curve Data by J. E. Cremona.
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